Add tests for Git content provider

.travis.yml

@@ -51,7 +51,7 @@ env:
   - REPO_TYPE=r
   - REPO_TYPE=dockerfile
   - REPO_TYPE=external/*
-  - REPO_TYPE=*.py
+  - REPO_TYPE=**/*.py
   global:
   - secure: gX7IOkbjlvcDwIH24sOLhutINx6TZRwujEusMWh1dqgYG2D69qQai/mTrRXO9PGRrsvQwIBk4RcILKAiZnk5O2Z1hLoIHk/oU2mNUmE44dDm4Xf/VTTdeYhjeOTR9B+KJ9NVwPxuSEDSND3lD7yFfvCqNXykipEhBtTliLupjWVxxXnaz0aZTYHUPJwanxdUc06AphSPwZjtm1m3qMUU8v7UdTGGAdW3NlgkKw0Xx2x5W31fW676vskC/GNQAbcRociYipuhSFWV4lu+6d8XF2xVO97xtzf54tBQzt6RgVfAKtiqkEIYSzJQBBpkQ6SM6yg+fQoQpOo8jPU9ZBjvaoopUG9vn8HRS/OtQrDcG3kEFnFAnaes8Iqtidp1deTn27LIlfCTl7kTFOp8yaaNlIMHJTJKTEMRhfdDlBYx7qiH8e9d/z37lupzY2loLHeNHdMRS1uYsfacZsmrnu9vAdpQmP1LuHivBPZEvgerinADaJiekelWOIEn956pDrno/YgnzP0i9LEBYnbbunqT8oEzLintNt5CXGdhkiG60j38McKCIn4sD6jbMMwgsqVFdClCBersyorKhOs7P8at5vX4xf8fMiKPC8LZPzYVIQYzCjmwSOFQ+Rzmz5gSj+DRTANKfHpzZCKZEF6amBYMGE1O5osF8m6M10vtW9ToK+s=
   - secure: 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

tests/contentproviders/test_git.py

@@ -3,7 +3,7 @@ import shutil
 import os
 import subprocess
 from tempfile import TemporaryDirectory
-from repo2docker.contentproviders.git import GitContentProvider
+from repo2docker.contentproviders.git import Git
 
 
 @contextmanager
@@ -16,23 +16,31 @@ def git_repo():
 
     with TemporaryDirectory() as gitdir:
         subprocess.check_call(['git', 'init'], cwd=gitdir)
-
         yield gitdir
 
+
 def test_clone():
-    """Test simple git clone to a target dir
-    """
+    """Test simple git clone to a target dir"""
     with git_repo() as upstream:
         with open(os.path.join(upstream, 'test'), 'w') as f:
             f.write("Hello")
 
         subprocess.check_call(['git', 'add', 'test'], cwd=upstream)
-        subprocess.check_call(['git', 'commit', '-m', 'Test commit'], cwd=upstream)
+        subprocess.check_call(['git', 'commit', '-m', 'Test commit'],
+                              cwd=upstream)
 
         with TemporaryDirectory() as clone_dir:
-            spec = {
-                'url': upstream
-            }
-            for _ in GitContentProvider().provide(spec, clone_dir, False):
+            spec = {'repo': upstream}
+            for _ in Git().fetch(spec, clone_dir):
                 pass
             assert os.path.exists(os.path.join(clone_dir, 'test'))
+
+
+def test_always_accept():
+    # The git content provider should always accept a spec
+    assert Git().detect('/tmp/doesnt-exist', ref='1234')
+    assert Git().detect('/tmp/doesnt-exist')
+    # a path that exists
+    assert Git().detect('/etc', ref='1234')
+    # a remote URL
+    assert Git().detect('https://example.com/path/here')